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1

Anne’s monthly income is $840 and her savings is $210. Find savings to expenses ratio.

2

Out of 140 students in a class, 50 are boys. Find boys to girls ratio.

3

Length and breadth of a rectangular field are 198 feet and 90 feet respectively. Find the ratio of length to breadth of the field.

4

Out of 60 students in a class, 20 prefer football, 30 prefer baseball and remaining like tennis. Find the ratio of number of students who prefer football to number of students who prefer tennis.

5

There are 75 teachers in a school of 1605 students. Find number of teachers to number of students ratio.

6

In a city of 12360 people, 5320 are government employees and the remaining are self-employed. Find government employees to self-employed ratio.

7

Derek’s monthly income is $935 and him savings is $255. Find savings to expenses ratio.

8

Out of 88 students in a class, 32 are boys. Find boys to girls ratio.

9

Length and breadth of a rectangular field are 220 feet and 40 feet respectively. Find the ratio of length to breadth of the field.

10

Out of 90 students in a class, 15 prefer football, 45 prefer baseball and remaining like tennis. Find the ratio of number of students who prefer football to number of students who prefer tennis.

Answers Key

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1

Anne’s monthly income is $840 and her savings is $210. Find savings to expenses ratio.

Savings to expenses ratio is 1:3

Solution

Anne's Income = $840

Savings = $210

Expenses = 840 - 210 = 630

∴ savings to expenses ratio = 210:630 = 1:3

Savings = $210

Expenses = 840 - 210 = 630

∴ savings to expenses ratio = 210:630 = 1:3

2

Out of 140 students in a class, 50 are boys. Find boys to girls ratio.

Boys to girls ratio is 5:9

Solution

Total Number of students = 140

boys = 50

girls = 140 - 50 = 90

∴ Boys to girls ratio = 50:90 = 5:9

boys = 50

girls = 140 - 50 = 90

∴ Boys to girls ratio = 50:90 = 5:9

3

Length and breadth of a rectangular field are 198 feet and 90 feet respectively. Find the ratio of length to breadth of the field.

Length to breadth ratio is 11:5

Solution

Length of a rectangular field = 198

breadth of a rectangular field = 90

∴ Length to breadth ratio = 198:90 = 11:5

breadth of a rectangular field = 90

∴ Length to breadth ratio = 198:90 = 11:5

4

Out of 60 students in a class, 20 prefer football, 30 prefer baseball and remaining like tennis. Find the ratio of number of students who prefer football to number of students who prefer tennis.

Number of students who prefer football to number of students who prefer tennis ratio is 2:1

Solution

Total Number of students = 60

Number of students prefer football = 20

Number of students prefer baseball = 30

Number of students prefer tennis =60 - (20 + 30) = 10

∴ Number of students who prefer football to number of students who prefer tennis ratio = 20:10 = 2:1

Number of students prefer football = 20

Number of students prefer baseball = 30

Number of students prefer tennis =60 - (20 + 30) = 10

∴ Number of students who prefer football to number of students who prefer tennis ratio = 20:10 = 2:1

5

There are 75 teachers in a school of 1605 students. Find number of teachers to number of students ratio.

number of teachers to number of students ratio is 5:107

Solution

Total Number of teachers = 75

Total Number of students = 1605

∴ Number of teachers to number of students ratio = 75:1605 = 5:107

Total Number of students = 1605

∴ Number of teachers to number of students ratio = 75:1605 = 5:107

6

In a city of 12360 people, 5320 are government employees and the remaining are self-employed. Find government employees to self-employed ratio.

Government employees to self-employed ratio is 133:176

Solution

Number of people in the city = $12360

Number of Government employees = $5320

Self employed = 12360 - 5320 = 7040

∴ Government employees to self-employed ratio = 5320:7040 = 133:176

Number of Government employees = $5320

Self employed = 12360 - 5320 = 7040

∴ Government employees to self-employed ratio = 5320:7040 = 133:176

7

Derek’s monthly income is $935 and him savings is $255. Find savings to expenses ratio.

Savings to expenses ratio is 3:8

Solution

Derek's Income = $935

Savings = $255

Expenses = 935 - 255 = 680

∴ savings to expenses ratio = 255:680 = 3:8

Savings = $255

Expenses = 935 - 255 = 680

∴ savings to expenses ratio = 255:680 = 3:8

8

Out of 88 students in a class, 32 are boys. Find boys to girls ratio.

Boys to girls ratio is 4:7

Solution

Total Number of students = 88

boys = 32

girls = 88 - 32 = 56

∴ Boys to girls ratio = 32:56 = 4:7

boys = 32

girls = 88 - 32 = 56

∴ Boys to girls ratio = 32:56 = 4:7

9

Length and breadth of a rectangular field are 220 feet and 40 feet respectively. Find the ratio of length to breadth of the field.

Length to breadth ratio is 11:2

Solution

Length of a rectangular field = 220

breadth of a rectangular field = 40

∴ Length to breadth ratio = 220:40 = 11:2

breadth of a rectangular field = 40

∴ Length to breadth ratio = 220:40 = 11:2

10

Out of 90 students in a class, 15 prefer football, 45 prefer baseball and remaining like tennis. Find the ratio of number of students who prefer football to number of students who prefer tennis.

Number of students who prefer football to number of students who prefer tennis ratio is 1:2

Solution

Total Number of students = 90

Number of students prefer football = 15

Number of students prefer baseball = 45

Number of students prefer tennis =90 - (15 + 45) = 30

∴ Number of students who prefer football to number of students who prefer tennis ratio = 15:30 = 1:2

Number of students prefer football = 15

Number of students prefer baseball = 45

Number of students prefer tennis =90 - (15 + 45) = 30

∴ Number of students who prefer football to number of students who prefer tennis ratio = 15:30 = 1:2

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kuku

Hey! I'm kuku

I can answer you simple math queries!

Hey! I'm kuku

I can answer you simple math queries!

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